8615120382 has 72 divisors (see below), whose sum is σ = 20538860160. Its totient is φ = 2607897600.

The previous prime is 8615120363. The next prime is 8615120383. The reversal of 8615120382 is 2830215168.

It is a happy number.

8615120382 is a `hidden beast` number, since 8 + 61 + 512 + 0 + 3 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8615120383) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3202494 + ... + 3205182.

Almost surely, 2^8615120382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8615120382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10269430080).

8615120382 is an abundant number, since it is smaller than the sum of its proper divisors (11923739778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8615120382 is a wasteful number, since it uses less digits than its factorization.

8615120382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4176 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 8615120382 is about 92817.6727891838. The cubic root of 8615120382 is about 2049.9996337100. Note that the first 3 decimals are identical.

The spelling of 8615120382 in words is "eight billion, six hundred fifteen million, one hundred twenty thousand, three hundred eighty-two".